Let's divide 86646780 by 554
Our goal is to divide 86646780 by 554.

Step 1:
If we divide 8 by 554, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 554

Going ahead to step 2:
When dividing 86 by 554, we get 0 with a remainder of 86.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 86 leaves us with 86.
Bring next digit (6) of the dividend behind the 86 and repeat the process: 866 / 554

On to step 3:
554 can be fit into 866 1 times, resulting in a remainder of 312.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 554 from 866 and we're left with 312.
Grab the next digit (4) from the dividend, add it to 312, then carry on: 3124 / 554

Going ahead to step 4:
When dividing 3124 by 554, we get 5 with a remainder of 354.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
Subtract 2770 from 3124 to get 354.
Include the next digit (6) from the dividend after 354, then repeat: 3546 / 554

Let's proceed to step 5:
3546 divided by 554 is 6 with a remainder of 222.
Record the quotient 6 as the next digit in the result. 
Result so far: 156.0
If we take 3324 away from 3546, we end up with 222.
Append the next digit (7) from the dividend to 222 and continue with: 2227 / 554

Step 6:
If we divide 2227 by 554, we get 4 and a remainder of 11.
The next digit of our result is 4. 
Result so far: 1564.0
The remainder is 11 after subtracting 2216 from 2227.
Fetch the next digit (8) from the dividend, attach it to 11 and continue: 118 / 554

On to step 7:
If we divide 118 by 554, we get 0 and a remainder of 118.
Record the quotient 0 as the next digit in the result. 
Result so far: 15640.0
Subtract 0 from 118 to get 118.
Fetch the next digit (0) from the dividend, attach it to 118 and continue: 1180 / 554

Moving on to step 8:
554 can be fit into 1180 2 times, resulting in a remainder of 72.
The next digit of our result is 2. 
Result so far: 156402.0
The remainder is 72 after subtracting 1108 from 1180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 9:
If we divide 720 by 554, we get 1 and a remainder of 166.
Write down 1 as next digit of the result. 
Result so far: 156402.1
Subtracting 554 from 720 leaves us with 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

Moving on to step 10:
554 can be fit into 1660 2 times, resulting in a remainder of 552.
The number 2 becomes the next digit in our result. 
Result so far: 156402.12
The remainder is 552 after subtracting 1108 from 1660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5520, and continue the process.

Advancing to step 11:
When dividing 5520 by 554, we get 9 with a remainder of 534.
Record the quotient 9 as the next digit in the result. 
Result so far: 156402.129
If we subtract 4986 from 5520, we get 534.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5340, and continue the process.

On to step 12:
When dividing 5340 by 554, we get 9 with a remainder of 354.
Write down 9 as next digit of the result. 
Result so far: 156402.1299
Subtracting 4986 from 5340 leaves us with 354.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3540, and continue the process.

The final result is 156402.1299 with a remainder of 0.00354.